EVERYDAY · ENGINEERING · SCIENCE

Unit conversion. Made clear.

Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.

520units ready to convert
EVERYDAY

Volume

Solid volume, liquid measures and building capacity.

km³
acre·ft

Try a decimal, 1e-9, 1/3, or 5 1/2.

Resultkm³ → acre·ftConvert cubic kilometre to acre-foot
HOW IT IS CALCULATED

Convert through cubic metre

Enter a cubic kilometre value to calculate acre-foot with full internal precision before display rounding.

Display precisionAuto · 12 significant digits

Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
cubic millimetrefrom km³mm³Interactive
cubic centimetrefrom km³cm³Interactive
cubic decimetrefrom km³dm³Interactive
cubic metrefrom km³m³Interactive
cubic kilometrefrom km³km³Interactive
microlitrefrom km³µLInteractive
millilitrefrom km³mLInteractive
centilitrefrom km³cLInteractive
decilitrefrom km³dLInteractive
litrefrom km³LInteractive
kilolitrefrom km³kLInteractive
cubic inchfrom km³in³Interactive
cubic footfrom km³ft³Interactive
cubic yardfrom km³yd³Interactive
U.S. fluid ouncefrom km³fl oz USInteractive
U.S. customary cupfrom km³cup USInteractive
U.S. liquid pintfrom km³pt USInteractive
U.S. liquid quartfrom km³qt USInteractive
U.S. liquid gallonfrom km³gal USInteractive
Imperial fluid ouncefrom km³fl oz ImpInteractive
Imperial pintfrom km³pt ImpInteractive
Imperial quartfrom km³qt ImpInteractive
Imperial gallonfrom km³gal ImpInteractive
U.S. teaspoonfrom km³tsp USInteractive
U.S. tablespoonfrom km³tbsp USInteractive
oil barrelfrom km³bblInteractive
acre-footfrom km³acre·ftInteractive

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.